CN204946303U - Based on the wireless kilowatt meter reading-out system of novel DTU module - Google Patents

Based on the wireless kilowatt meter reading-out system of novel DTU module Download PDF

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Publication number
CN204946303U
CN204946303U CN201520641035.3U CN201520641035U CN204946303U CN 204946303 U CN204946303 U CN 204946303U CN 201520641035 U CN201520641035 U CN 201520641035U CN 204946303 U CN204946303 U CN 204946303U
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China
Prior art keywords
module
dtu module
novel
instrument
surveillance center
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Expired - Fee Related
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CN201520641035.3U
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Chinese (zh)
Inventor
刘忠海
邢德辉
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TIANJIN YIHUAN AUTOMATION METER CO Ltd
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TIANJIN YIHUAN AUTOMATION METER CO Ltd
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Priority to CN201520641035.3U priority Critical patent/CN204946303U/en
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Abstract

The utility model relates to a kind of wireless kilowatt meter reading-out system based on novel DTU module, its technical characterstic is: comprise Surveillance center, novel DTU module and field instrument, described novel DTU module is connected with field instrument, and this novel DTU module is by GPRS network connecting Internet; Described Surveillance center and novel DTU module are carried out communication and are realized radio meter register function.The utility model by novel DTU module receive and process transmit from field instrument flow, temperature, pressure and casing state, valve state signal, carry out high-speed computation, process, display, storage, communication teletransmission, output of reporting to the police etc. and be transferred to Surveillance center by GPRS network, by Surveillance center's analyzing and processing, Surveillance center can send control command to control field instrument work directly to DTU module simultaneously, accomplish Real-time Monitor Management, improve work efficiency high, reduce labour intensity.

Description

Based on the wireless kilowatt meter reading-out system of novel DTU module
Technical field
The utility model belongs to telecommunication technique field, especially a kind of wireless kilowatt meter reading-out system based on novel DTU module.
Background technology
Because urban construction and economic development propose higher requirement to Optimizing City energy structure, therefore, implementation cogeneration of heat and power and concentrated supply of heating in the city have become the effective measures solving urban energy structure and problem of environmental pollution, are also the optimal paths improving efficiency of energy utilization, Business Economic Benefit and social benefit.
Along with the continuous increase of heat supply network user, thermoelectricity consumption constantly strengthens, and more effectively brings into schedule to whole heat-net-pipeline monitoring, thermoelectricity user metering.Utilize remote monitoring to thermal parameter (pressure, temperature, the flow etc.) tracing and monitoring of whole heat-net-pipeline, heat exchange station, not only can grasp whole heat pipeline Heating State comprehensively, instrument fault warning message can also be reacted quickly and accurately; The personnel that maintain easily look in time and repair, and so not only save a large amount of human and material resources, and have important meaning to the modern management level of minimizing pipe loss, raising heat supply network.
But, current heat supply user often has malicious modification continuous data, is in arrears with the loss that the situation such as heat cost and system blackout causes without reason, traditional anti-temporary worker paid from operation costs of being in arrears with mainly relies on outworker, and workload and labour intensity are large, inefficiency, produce little effect.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of reasonable in design, work efficiency is high and the wireless kilowatt meter reading-out system based on novel DTU module that labour intensity is low.
The utility model solves its technical matters and takes following technical scheme to realize:
Based on a wireless kilowatt meter reading-out system for novel DTU module, comprise Surveillance center, novel DTU module and field instrument, described novel DTU module is connected with field instrument, and this novel DTU module is by GPRS network connecting Internet; Described Surveillance center and novel DTU module are carried out communication and are realized radio meter register function.
And described Surveillance center also connects user terminal by internet.
And described novel DTU module is made up of the control circuit of casing and inside thereof, described control circuit comprises power transfer module, GPRS communication module, data conversion module, valve control module and 485 communication modules; Power transfer module is connected with external power source and converts that DC supply is GPRS communication module, data conversion module, valve control module and 485 communication modules are powered to, described data conversion module is connected with GPRS communication module, this GPRS communication module is connected with the antenna on casing and SIM card, described data conversion module is connected with 485 communication modules and valve control module, 485 communication modules are connected with field instrument, and valve control module is connected with valve.
And described power transfer module also connects an indicator of the power supply status, this indicator of the power supply status is arranged on casing; Described GPRS communication module also connects a communication state pilot lamp, and this communication state pilot lamp is arranged on casing.
Advantage of the present utility model and good effect are:
1, the utility model by novel DTU module receive and process transmit from metering section (field instrument) flow, temperature, pressure and casing state, valve state signal, carry out high-speed computation, process, display, storage, communication teletransmission, output of reporting to the police etc. and be transferred to Surveillance center by GPRS network, by Surveillance center's analyzing and processing, Surveillance center can send control command to control field instrument work directly to DTU module simultaneously, accomplish Real-time Monitor Management, improve work efficiency high, reduce labour intensity.
2, DTU module of the present utility model is connected with field instrument by 485 communication interfaces, does not need to carry out secondary development to field instrument, facilitates the access of field instrument, improves the extensibility of system, easy-to-use.
Accompanying drawing explanation
Fig. 1 is system connection diagram of the present utility model;
Fig. 2 is the circuit block diagram of novel DTU module.
Embodiment
Below in conjunction with accompanying drawing, the utility model embodiment is further described:
A kind of wireless kilowatt meter reading-out system based on novel DTU module, as shown in Figure 1, comprise Surveillance center, user terminal, novel DTU module and field instrument, described novel DTU module is connected with field instrument, and this novel DTU module is by GPRS network connecting Internet; Described Surveillance center comprises WEB server and application server, and WEB server and application server are connected on internet; User terminal can be that mobile phone or PC are connected on internet; Novel DTU module, Surveillance center and user terminal are connected together via Internet formation wireless kilowatt meter reading-out system.
As shown in Figure 2, novel DTU module is connected and composed by casing and internal control circuit thereof, and described control circuit comprises power transfer module, GPRS communication module, data conversion module, valve control module and 485 communication modules.Power transfer module is connected with the power interface on casing and external power source is converted to DC supply is GPRS communication module, data conversion module, valve control module and 485 communication modules are powered, and this power transfer module is connected with the indicator of the power supply status on casing simultaneously and is used to indicate power work state.Described data conversion module is connected with GPRS communication module, this GPRS communication module is connected with the antenna on casing and SIM card, be connected in GPRS network by SIM card and antenna and realize the communication function with host computer, this GPRS communication module is connected with the communication state pilot lamp on casing and realizes communication state deixis.Described data conversion module is connected with 485 communication modules and valve control module, be connected with field instrument by 485 communication interfaces on casing and Valve controlling interface by 485 communication modules and invention control module, field instrument comprises flow sensor, temperature sensor, pressure transducer, valve etc.In order to prevent power-off from causing system DTU module to work, DTU module adopts UPS to power.The utility model adopts RS485 interface mode to be connected with field instrument, avoids the Secondary Development Work to field instrument, facilitates the access of field instrument.
The major function of novel DTU module is: the protocol instructions being received the instrument that Surveillance center sends by GPRS wireless mode, corresponding field instrument is transferred data to by 485 interfaces such as grade, then field instrument returns corresponding response data to DTU module, DTU module sends Surveillance center to by GPRS network and internet, is processed the data received by the application server of Surveillance center.When checking meter, Surveillance center obtains the information of DTU module and sends connection request to DTU module, and carry out communication with Surveillance center after DTU module obtaining request, the data that DTU module is gathered return to Surveillance center, thus completes and once check meter.The data that DTU module sends to Surveillance center when checking meter mainly are collected in the data of Intelligent hot gauging table at community, building, family, above-mentioned data by the timed sending of Intelligent hot gauging table in DTU module.
Surveillance center is as the core of system, customer basis information, heat meter Back ground Information are set, only need the information (accumulation heat, integrated flux, accumulated operating time, temperature in, outlet temperature, acquisition time etc.) DTU module uploaded to be saved in the customer information of association, realize corresponding monitoring management function by Surveillance center.Surveillance center can arrive first appointing system payment in advance, and after Account activation, user normally uses, and when remaining sum is close to zero, the sending short message by mobile phone can specified from trend user reminds payment, otherwise when remaining sum is zero, instrument valve can be closed automatically; It not only may be used for hot water and the steam trade settlement of heating industry, is also applicable to the Trade Measures of rock gas and coal gas.
Surveillance center is also provided with management software, completes following function:
(1) manually check meter: for not being integrated in heat meter data in system or special, also can from original heat meter manufacturer continuous data everywhere, or the Excel template of checking meter using charging per heat system to derive, printing visits checks meter, and finally imports with carrying out calorimeter data with Excel.The data finally making all clients be correlated with all are included system in and are carried out unified management.
(2) acquisition monitoring: system, according to the frequency acquisition set, automatically completes collection and the warehouse-in of data, and monitors the duty of concentrator, repeater, heat meter in real time, remind the equipment broken down.
(3) instrument fault analysis: same Thermal Corp often adopts polytype calorimeter product of Duo Jia calorimeter manufacturing enterprise, and the design concept of these products, way to manage, product quality is uneven.Therefore in charging per heat system, except monitoring each instrument mode in real time, to the data that history gathers, instrument fault analysis can also be carried out according to manufacturer, table type, time section, fault condition, truly reflect the situations such as the installation of heat meter, communication, heat supply/backwater problem, heat fault, flow monitoring fault, thus support for the type selecting of heating enterprise future products and the rectification of data.
(4) abnormal data analysis: system support carries out abnormal data automatic analysis to the historical data gathered, in conjunction with the data of family heat meter and building heat meter, point out problematic instrumentation, analyze the numerical value that deviation value is larger, can correct problematic data, allow data conscientiously become the data on flows of heat death theory charging.
(5) heat trend analysis: to single client's producing heat tendency form, also can check the heat tendency data in the community that heating plant is administered and building, and be correlated with overall heating charge and rate of charge situation.
(6) hear rate analysis: heat exhaustion analysis can be carried out to each client of same unit, or by date trend analysis is carried out to the heat exhaustion situation of some clients, also can check the heat exhaustion situation in the community that heating plant is administered and building.
It is emphasized that; embodiment described in the utility model is illustrative; instead of it is determinate; therefore the utility model comprises the embodiment be not limited to described in embodiment; every other embodiments drawn according to the technical solution of the utility model by those skilled in the art, belong to the scope of the utility model protection equally.

Claims (3)

1. based on a wireless kilowatt meter reading-out system for novel DTU module, it is characterized in that: comprise Surveillance center, novel DTU module and field instrument, described novel DTU module is connected with field instrument, and this novel DTU module is by GPRS network connecting Internet; Described Surveillance center and novel DTU module are carried out communication and are realized radio meter register function;
Described novel DTU module is made up of the control circuit of casing and inside thereof, and described control circuit comprises power transfer module, GPRS communication module, data conversion module, valve control module and 485 communication modules; Power transfer module is connected with external power source and converts that DC supply is GPRS communication module, data conversion module, valve control module and 485 communication modules are powered to, described data conversion module is connected with GPRS communication module, this GPRS communication module is connected with the antenna on casing and SIM card, described data conversion module is connected with 485 communication modules and valve control module, 485 communication modules are connected with field instrument, and valve control module is connected with valve.
2. the wireless kilowatt meter reading-out system based on novel DTU module according to claim 1, is characterized in that: described Surveillance center also connects user terminal by internet.
3. the wireless kilowatt meter reading-out system based on novel DTU module according to claim 1, it is characterized in that: described power transfer module also connects an indicator of the power supply status, this indicator of the power supply status is arranged on casing; Described GPRS communication module also connects a communication state pilot lamp, and this communication state pilot lamp is arranged on casing.
CN201520641035.3U 2015-08-24 2015-08-24 Based on the wireless kilowatt meter reading-out system of novel DTU module Expired - Fee Related CN204946303U (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106322502A (en) * 2016-08-24 2017-01-11 连云港腾越电子科技有限公司 Full-automatic control system for centralized-heating household metering
CN105549496B (en) * 2016-02-26 2018-06-26 工大科雅(天津)能源科技有限公司 Remote-control device between a kind of heat exchange station heating charge by measure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105549496B (en) * 2016-02-26 2018-06-26 工大科雅(天津)能源科技有限公司 Remote-control device between a kind of heat exchange station heating charge by measure
CN106322502A (en) * 2016-08-24 2017-01-11 连云港腾越电子科技有限公司 Full-automatic control system for centralized-heating household metering

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160106

Termination date: 20190824

CF01 Termination of patent right due to non-payment of annual fee